The company conducts DNA tests for under US$500 to determine which drugs the patient will respond best to. An assessment can be made within 48 hours. Although not cheap, the service should appeal in mainland China where doctors notoriously overprescribe medications and antibiotics, which can make people resistant to their effects. Photo: Handout

The company conducts DNA tests for under US$500 to determine which drugs the patient will respond best to. An assessment can be made within 48 hours. Although not cheap, the service should appeal in mainland China where doctors notoriously overprescribe medications and antibiotics, which can make people resistant to their effects. Photo: Handout